Remove/install fuel temperature sensor · ar4750g0140h · Mercedes-Benz WIS

AR47.50-G-0140H

Remove/install fuel temperature sensor

08.08.2018

Engine

471.9## ## up to 032690 in model 800.310/320

W47.50-1033-09

Fuel filter module

Electrical connector

B602

Fuel temperature sensor

 Danger	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.	No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
 Warning	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-N-5000-01H
 	Remove/install
1	Clean engine in the area of the fuel filter module (1)
2	Drain fuel at fuel filter module (1)		AR07.03-G-1460-03H
		 Allow escaping fuel to drain into a suitable container.
3	Disconnect electrical connection (2)
4	Remove fuel temperature sensor (B602) on fuel filter module (1)	 Installation: Replace sealing ring.
		 Fuel temperature sensor on fuel filter module	*BA47.50-N-1002-01B
		 Socket wrench bit	*001589790900
5	Install in the reverse order
6	Fill fuel low-pressure circuit on engine		AR07.16-G-1007H
7	Start engine and perform an engine test run	 Allow engine to run at a higher rotational speed.
		If engine fails to start or only runs for a brief period.
		
		Fill fuel low-pressure circuit again on engine.
			AR07.16-G-1007H
8	Turn off the engine and check in area around the fuel filter module (1) for leaktightness	 Visual inspection.

 Sensors, transmitters

Number	Designation		Engine 471.9## ## up to 032690
BA47.50-N-1002-01B	Fuel temperature sensor on fuel filter module	Nm	30

001 589 79 09 00

Socket wrench bit

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